Three masses A, B and C are kept on a sm...

Three masses A, B and C are kept on a smooth horizontal surface as shown in the fiugre. A sharp impulse is given to the mass A, so that it starts moving towards B with speed `v_(0)`. What is the minimum value of m so that there is only one collision between masses A and B (all collisions are elastic)

`(10M)/(3)`

`(8M)/(3)`

`(2M)`

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